UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (DEFICIT) - USD ($) $ in Thousands		Total	Common Stock		Notes Receivables from Stockholders	Additional Paid-In Capital		Accumulated Deficit	Accumulated Other Comprehensive Income/(Loss)
Beginning balance (in shares) at Dec. 31, 2023	[1]		15,035,467
Beginning balance at Dec. 31, 2023		$ 122,600	$ 2	[1]	$ (10,111)	$ 1,838,499	[1]	$ (1,704,076)	$ (1,714)
Increase (Decrease) in Stockholders' Equity
Adjustment of transaction costs related to Business Combination		(2,372)				(2,372)	[1]
Issuance of common stock for options exercised (in shares)	[1]		4,254
Issuance of common stock for options exercised		1,529				1,529	[1]
Cancellation of common stock (in shares)	[1]		(30,673)
Stock-based compensation		23,120				23,120	[1]
Tax withholding upon vesting of restricted stock units		(1,736)				(1,736)	[1]
Shares issued for vested restricted stock units (in shares)	[1]		127,254
Shares issued for vested restricted stock units		0
Vesting of common stock issued via notes receivable from stockholders		(8)			(884)	876	[1]
Settlement of notes receivable from stockholders					1,846	(1,846)	[1]
Net loss		(147,067)						(147,067)
Other comprehensive income (loss) — foreign currency translation adjustment, net of tax		4,322							4,322
Ending balance (in shares) at Sep. 30, 2024	[1]		15,136,302
Ending balance at Sep. 30, 2024		388	$ 2	[1]	(9,149)	1,858,070	[1]	(1,851,143)	2,608
Beginning balance (in shares) at Jun. 30, 2024	[2]		15,110,974
Beginning balance at Jun. 30, 2024		44,908	$ 2	[2]	(9,130)	1,852,417	[2]	(1,796,933)	(1,448)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock for options exercised (in shares)	[2]		1,483
Issuance of common stock for options exercised		74				74	[2]
Stock-based compensation		5,924				5,924	[2]
Tax withholding upon vesting of restricted stock units		(364)				(364)	[2]
Shares issued for vested restricted stock units (in shares)	[2]		23,845
Vesting of common stock issued via notes receivable from stockholders		0			(19)	19	[2]
Net loss		(54,210)						(54,210)
Other comprehensive income (loss) — foreign currency translation adjustment, net of tax		4,056							4,056
Ending balance (in shares) at Sep. 30, 2024	[1]		15,136,302
Ending balance at Sep. 30, 2024		$ 388	$ 2	[1]	(9,149)	1,858,070	[1]	(1,851,143)	2,608
Beginning balance (in shares) at Dec. 31, 2024		15,168,795	15,168,795
Beginning balance at Dec. 31, 2024		$ (58,170)	$ 2		(9,158)	1,863,288		(1,910,366)	(1,936)
Increase (Decrease) in Stockholders' Equity
Gain on troubled debt restructuring (see Note 10)		210,044				210,044
Tax effect on gain on troubled debt restructuring		(2,445)				(2,445)
Issuance of common stock for options exercised (in shares)			203
Issuance of common stock for options exercised		3				3
Issuance of common stock under ATM program (in shares)			9,917
Issuance of common stock under ATM program		589				589
Stock-based compensation		13,596				13,596
Tax withholding upon vesting of restricted stock units (in shares)			(110,658)
Tax withholding upon vesting of restricted stock units		(1,559)				(1,559)
Shares issued for vested restricted stock units (in shares)			307,692
Vesting of common stock issued via notes receivable from stockholders		3			(2)	5
Net loss		(125,952)						(125,952)
Other comprehensive income (loss) — foreign currency translation adjustment, net of tax		$ 5,803							5,803
Ending balance (in shares) at Sep. 30, 2025		15,375,949	15,375,949
Ending balance at Sep. 30, 2025		$ 41,912	$ 2		(9,160)	2,083,521		(2,036,318)	3,867
Beginning balance (in shares) at Jun. 30, 2025			15,274,145
Beginning balance at Jun. 30, 2025		76,557	$ 2		(9,160)	2,077,303		(1,997,193)	5,605
Increase (Decrease) in Stockholders' Equity
Tax effect on gain on troubled debt restructuring		2,276				2,276
Issuance of common stock for options exercised (in shares)			203
Issuance of common stock for options exercised		3				3
Issuance of common stock under ATM program (in shares)			9,917
Issuance of common stock under ATM program		589				589
Stock-based compensation		4,536				4,536
Tax withholding upon vesting of restricted stock units (in shares)			(47,095)
Tax withholding upon vesting of restricted stock units		(1,186)				(1,186)
Shares issued for vested restricted stock units (in shares)			138,779
Net loss		(39,125)						(39,125)
Other comprehensive income (loss) — foreign currency translation adjustment, net of tax		$ (1,738)							(1,738)
Ending balance (in shares) at Sep. 30, 2025		15,375,949	15,375,949
Ending balance at Sep. 30, 2025		$ 41,912	$ 2		$ (9,160)	$ 2,083,521		$ (2,036,318)	$ 3,867

[1] Periods have been adjusted to reflect the 1-for-50 reverse stock split on August 16, 2024. See Note 1 Organization and Nature of the Business - Reverse Stock Split, for additional information.

[2] Periods have been adjusted to reflect the 1-for-50 reverse stock split on August 16, 2024. See Note 1 Organization and Nature of the Business - Reverse Stock Split, for additional information.